Irene and Jean had the same number of mochi balls at first. After Irene received another 59 mochi balls and Jean gave away 22 mochi balls, Irene had 4 times as many mochi balls as Jean. How many mochi balls did each of them have at first?
| |
Irene |
Jean |
| Before |
4 u - 59 |
1 u + 22 |
| Change |
+ 59 |
- 22 |
| After |
4 u |
1 u |
Irene and Jean had the same number of mochi balls at first.
4 u - 59 = 1 u + 22
4 u - 1 u = 22 + 59
3 u = 81
1 u = 81 ÷ 3 = 27
Number of mochi balls that each of them at first
= 27 + 22
= 49
Answer(s): 49
